/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.internal.processors.query.h2.sql;

import java.util.Collections;

/**
 * Query parameter.
 */
public class GridSqlParameter extends GridSqlElement {
    /** Index. */
    private int idx;

    /**
     * @param idx Index.
     */
    public GridSqlParameter(int idx) {
        super(Collections.<GridSqlAst>emptyList());

        this.idx = idx;
    }

    /** {@inheritDoc} */
    @Override public String getSQL() {
        return "?" + (idx + 1);
    }

    /**
     * @return Index.
     */
    public int index() {
        return idx;
    }

    /**
     * @param idx New index.
     */
    public void index(int idx) {
        this.idx = idx;
    }
}
